su
/su/noun
su is spelled S-U: 2 letters and one syllable. It appears 8.3 times per million words in written English, the 8,036th most frequent word form (wordfreq, 2021 data). As a noun, su means “Alternative form of xu (“former Vietnamese currency”)” (English Wiktionary, September 2026).
How many letters and syllables are in su?
| Letters | 2: S-U |
|---|---|
| Syllables | 1 (from its American pronunciation) |
| In writing | 8.3 times per million words; the 8,036th most frequent word form |
| Wrong spellings searched | none measured in search |
| Sounds like | |
| Rhymes with |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is su?
Su appears 8.3 times per million words in written English, the 8,036th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce su?
- UK /suː/
- US /su/
Su has one syllable (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Words people confuse with su
Sounds like: sou (Wiktionary's homophone list; some hold only in some accents).
Also written: xu.
Sources: English Wiktionary (homophones, alternative spellings).
What rhymes with su?
The 12 most written words on PlainSpell end in the same sounds as su from its last stressed vowel (/u/):
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
What does su mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Alternative form of xu (“former Vietnamese currency”).
noun
- 1
Abbreviation of Sunday.
noun
- 1
Initialism of students' union.
- 2
Abbreviation of special unitary group.
- 3
Initialism of state university.
- 4
Initialism of statistical unit.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does su come from?
See xu.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).